Keystones — Capstone
Five GCSE retrieval questions · 28 October 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 135. What are the numbers?
Answer: 44, 45, and 46 -
2. Algebra
Simplify: 6x - 4x + 5y - 2y
Answer: 2x + 3y -
3. Geometry
Find c if a = 12cm and b = 19cm in a right triangle
Answer: 22.5cm -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 3 blue and 5 green sections. Probability of landing on red?
Answer: 5⁄13